JPH08281055A - Cylindrical flue gas desulfurizer - Google Patents
Cylindrical flue gas desulfurizerInfo
- Publication number
- JPH08281055A JPH08281055A JP7086631A JP8663195A JPH08281055A JP H08281055 A JPH08281055 A JP H08281055A JP 7086631 A JP7086631 A JP 7086631A JP 8663195 A JP8663195 A JP 8663195A JP H08281055 A JPH08281055 A JP H08281055A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- absorbent
- liq
- flue gas
- duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は排ガスに含まれる硫黄酸
化物（ＳＯｘ）の脱硫反応を向上させた円筒型排煙脱硫
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical flue gas desulfurization apparatus having an improved desulfurization reaction of sulfur oxide (SOx) contained in exhaust gas.
【０００２】[0002]
【従来の技術】図６〜８に、本発明者らが先に提案（特
願平４−３４７８１２号参照）した円筒型排煙脱硫装置
を従来技術として示す。図６はその円筒型脱硫装置の概
念図、図７は図６の VII−VII 矢視図、図８は図６のVI
II−VIII矢視図である。排ガス０１は円筒槽０２の上部
より円筒軸面に対して接線方向に流入させるダクト０５
より円筒槽０２内に流入し、排ガス０１は円筒槽０２内
で旋回流０６を形成する。円筒槽０２内下部には十文字
型に装備した吸収液スプレー装置に多数のスプレーノズ
ル０３が取付けられている。このスプレーノズル０３に
よりミスト状に噴出される吸収液０７は旋回流０６によ
る遠心力のために円筒槽０２の壁付近に集められる。さ
らに脱硫されたガスは円筒槽０２の内部にある排出ダク
ト０４により外部に排出される。なお、図６中、０９は
吸収液滴、０１０は吸収液溜を示す。2. Description of the Related Art FIGS. 6 to 8 show a cylindrical type flue gas desulfurization apparatus previously proposed by the present inventors (see Japanese Patent Application No. 4-347812) as prior art. FIG. 6 is a conceptual diagram of the cylindrical desulfurization apparatus, FIG. 7 is a VII-VII arrow view of FIG. 6, and FIG. 8 is VI of FIG.
It is a II-VIII arrow line view. A duct 05 for letting the exhaust gas 01 flow in from the upper part of the cylindrical tank 02 in a tangential direction to the cylindrical axial surface.
Further, it flows into the cylindrical tank 02, and the exhaust gas 01 forms a swirling flow 06 in the cylindrical tank 02. A large number of spray nozzles 03 are attached to a lower part of the cylindrical tank 02 in an absorption liquid spraying device equipped in a cross shape. The absorbing liquid 07 ejected in a mist form by the spray nozzle 03 is collected near the wall of the cylindrical tank 02 due to the centrifugal force of the swirling flow 06. Further, the desulfurized gas is discharged to the outside by a discharge duct 04 inside the cylindrical tank 02. In FIG. 6, reference numeral 09 indicates an absorbing liquid droplet and 010 indicates an absorbing liquid reservoir.
【０００３】[0003]
【発明が解決しようとする課題】上述した従来の円筒型
排煙脱硫装置は、それ以前のものと比較するとかなり改
善されたとは言え、円筒槽内を旋回する排ガス流と、ミ
スト状の吸収液とが接触する機会は十分とは云えないと
いう問題があった。Although the above-mentioned conventional cylindrical type flue gas desulfurization apparatus is considerably improved as compared with the previous type, the exhaust gas flow swirling in the cylindrical tank and the mist-like absorbing liquid are circulated. There was a problem that there were not enough opportunities to make contact with.
【０００４】本発明は上記技術水準に鑑み、従来の円筒
型排煙脱硫装置の有する不具合を解消し、さらに旋回す
る排ガスと吸収液スラリとの接触を十分にし得る円筒型
排煙脱硫装置を提供しようとするものである。In view of the above-mentioned state of the art, the present invention provides a cylindrical flue gas desulfurization apparatus capable of solving the problems of the conventional cylindrical flue gas desulfurization apparatus and further making sufficient contact between the swirling exhaust gas and the absorbent slurry. Is what you are trying to do.
【０００５】[0005]
【課題を解決するための手段】本発明は（１）上部に硫
黄酸化物含有排ガスを接線方向に流入させるダクトを有
する円筒槽、該円筒槽と同軸上に下方を開口し、上方を
排気口とした排気管を設けてなる排煙脱硫装置におい
て、前記排気管外周面に放射状に多数の吸収液スプレー
ノズルを装着してなることを特徴とする円筒型排煙脱硫
装置及び（２）上部に硫黄酸化物含有排ガスを接線方向
に流入させるダクトを有する円筒槽、該円筒槽と同軸上
に下方を開口し、上方を排気口とした排気管を設けてな
る排煙脱硫装置において、前記円筒槽下部に同軸上に設
けたガスの旋回方向とは逆方向に回転可能な円板上に上
向きに多数の吸収液スプレーノズルを装着してなること
を特徴とする円筒型排煙脱硫装置である。According to the present invention, there is provided (1) a cylindrical tank having a duct for allowing a sulfur oxide-containing exhaust gas to flow in a tangential direction at an upper portion, a lower portion is opened coaxially with the cylindrical tank, and an upper portion is an exhaust port. In the flue gas desulfurization device provided with the exhaust pipe, the cylindrical flue gas desulfurization device is characterized in that a large number of absorbing liquid spray nozzles are radially mounted on the outer peripheral surface of the exhaust pipe, and (2) above. A flue gas desulfurization apparatus comprising: a cylindrical tank having a duct for allowing the exhaust gas containing sulfur oxides to flow in a tangential direction; A cylindrical flue gas desulfurization apparatus, characterized in that a large number of absorbing liquid spray nozzles are mounted upward on a disc rotatable coaxially with a gas lower swirling direction.
【０００６】[0006]
【作用】本発明の第１の円筒型排煙脱硫装置によれば、
外径方向に噴出する吸収液スプレーノズルを内筒である
排気管に設けることで、排ガスの旋回流とミスト状の水
滴が遠心力効果により無駄なく確実に接触し、大幅な脱
硫効果が期待できる。また外径方向に吸収液スラリを噴
出しているためスプレーミストが円筒槽の塔内壁へと遠
心分離されることで、ガス中に随伴される量も減少され
る。According to the first cylindrical flue gas desulfurization apparatus of the present invention,
By installing the absorbent spray nozzle that ejects in the outer diameter direction in the exhaust pipe that is the inner cylinder, the swirling flow of the exhaust gas and the mist-like water droplets reliably contact each other without waste due to the centrifugal force effect, and a significant desulfurization effect can be expected. . Further, since the absorbing liquid slurry is ejected in the outer diameter direction, the spray mist is centrifugally separated to the inner wall of the column of the cylindrical tank, so that the amount entrained in the gas is also reduced.
【０００７】また、本発明の第２の円筒型排煙脱硫装置
によれば、吸収液スプレーノズルを回転させることで、
ミスト状の吸収液滴が遠心力のため円筒槽壁近傍に集め
られ、確実にガスと吸収液滴が混じり合う。そして、排
ガスの旋回流と吸収液滴の運動方向が逆向きになるため
激しく接触し、それに伴い反応時間が長くなることで効
率のよい脱硫が期待できる。また、スプレーミストが遠
心力により円筒槽の塔内壁へと遠心分離されることで、
ガス中に随伴される量も減少される。According to the second cylindrical flue gas desulfurization apparatus of the present invention, by rotating the absorbing liquid spray nozzle,
Due to the centrifugal force, the mist-like absorbed droplets are collected near the wall of the cylindrical tank, and the gas and the absorbed droplets are surely mixed with each other. Since the swirling flow of the exhaust gas and the moving directions of the absorbing liquid droplets are in opposite directions, they come into contact with each other vigorously, and the reaction time becomes longer accordingly, so that efficient desulfurization can be expected. In addition, by centrifugally separating the spray mist to the inner wall of the tower of the cylindrical tank,
The amount entrained in the gas is also reduced.
【０００８】[0008]
【実施例】本発明の第１の円筒型排煙脱硫装置の一実施
例を図１〜図３によって説明する。図１はその円筒型排
煙脱硫装置の概念図、図２は図１のII〜II矢視図、図３
は図１の III〜III 矢視図である。排ガス１は円筒槽２
の上部より円筒面に対して接線方向に流入させるダクト
５により円筒槽２内に流入し、この円筒槽２内のガスは
旋回流を形成することは従来の円筒型排煙脱硫装置と同
様である。一方、吸収液スプレー装置は排出ダクト４を
二重管とし、その上部に給液ダクト１１を設け、二重管
内に吸収液を通すとともに二重管外管壁に半径方向に多
数のスプレーノズル３を取付けてミスト状吸収液７を噴
出する。なお、図１中、９は吸収液滴、１０は吸収液溜
を示す。EXAMPLE An example of the first cylindrical flue gas desulfurization apparatus of the present invention will be described with reference to FIGS. FIG. 1 is a conceptual view of the cylindrical flue gas desulfurization apparatus, FIG. 2 is a view taken along arrows II-II of FIG. 1, and FIG.
FIG. 3 is a view taken in the direction of arrows III to III in FIG. 1. Exhaust gas 1 is cylindrical tank 2
It is the same as in the conventional cylindrical flue gas desulfurization apparatus that the gas in the cylindrical tank 2 forms a swirl flow by the duct 5 that is tangential to the cylindrical surface from the upper part of the. is there. On the other hand, in the absorbing liquid spraying device, the discharge duct 4 is a double pipe, and the liquid supplying duct 11 is provided on the upper part of the discharging duct 4, and the absorbing liquid is passed through the double pipe and a large number of spray nozzles 3 are radially provided on the outer wall of the double pipe. And the mist-shaped absorbing liquid 7 is ejected. In addition, in FIG. 1, 9 is an absorption droplet and 10 is an absorption liquid reservoir.
【０００９】また、本発明の第２の円筒型排煙脱硫装置
の一実施例を図４，図５によって説明する。図４はその
円筒型排煙脱硫装置の概念図、図５は図４のＶ〜Ｖ矢視
図である。円筒槽２内に旋回流６を形成することは上記
実施例のものと同様であるが、この実施例のものは円筒
槽２の下部に駆動装置１４によって回転可能に構成され
た円板１３の上面に多数のスプレノズル３を上向きに取
付けてミスト状の吸収液７を噴出するように構成した点
が異なるだけである。図５では排ガスの旋回流６と上記
円板１３の回転方向１２が互いに逆方向であることを示
している。An embodiment of the second cylindrical flue gas desulfurization apparatus of the present invention will be described with reference to FIGS. 4 and 5. FIG. 4 is a conceptual view of the cylindrical flue gas desulfurization apparatus, and FIG. 5 is a view taken in the direction of arrows V to V in FIG. Forming the swirling flow 6 in the cylindrical tank 2 is the same as that of the above-mentioned embodiment, but in this embodiment, a circular disk 13 which is rotatably constituted by a driving device 14 is provided below the cylindrical tank 2. The only difference is that a large number of spray nozzles 3 are attached upward on the upper surface and the mist-shaped absorbing liquid 7 is ejected. FIG. 5 shows that the swirling flow 6 of the exhaust gas and the rotation direction 12 of the disc 13 are opposite to each other.
【００１０】[0010]
（１）本発明の第１の円筒型排煙脱硫装置によれば、旋
回する排ガス流に対して半径方向に多数のスプレーノズ
ルからミスト状の吸収液を衝突する構成になっているこ
とにより、排ガスと吸収液滴との接触機会を増し脱硫の
効果を向上させると共に、吸収液滴は円筒槽内壁へ付
着、落下しやすくなり、吸収液滴が排出ダクトへ随伴排
出される量が減少する効果を奏する。 （２）また、本発明の第２の円筒型排煙脱硫装置によれ
ば、旋回する排ガス流に対して逆方向に旋回を与えられ
た吸収液滴が激しく排ガス流と衝突するように構成され
ているので、反応時間が長くなり、脱硫効果の大幅な改
善が期待できると共に、遠心力を与えられた吸収液滴は
円筒水槽内壁へ付着、落下しやすくなり、吸収液滴が排
出ダクトへ随伴排出される量が減少する効果を奏する。(1) According to the first cylindrical flue gas desulfurization apparatus of the present invention, the mist-like absorbent is collided from a large number of spray nozzles radially with respect to the swirling exhaust gas flow. The effect of increasing the chance of contact between the exhaust gas and the absorbing droplets and improving the effect of desulfurization, and also making it easier for the absorbing droplets to adhere to and drop on the inner wall of the cylindrical tank, reducing the amount of the absorbing droplets that are discharged together with the discharge duct. Play. (2) Further, according to the second cylindrical flue gas desulfurization apparatus of the present invention, the absorbing droplets swirled in the opposite direction to the swirling exhaust gas flow violently collide with the exhaust gas flow. As a result, the reaction time becomes long, and the desulfurization effect can be expected to be greatly improved.In addition, the absorbing droplets that have been given centrifugal force easily adhere to the inner wall of the cylindrical water tank and fall, and the absorbing droplets accompany the discharge duct. This has the effect of reducing the amount discharged.
【図１】本発明の第１の円筒型排煙脱硫装置の一実施例
の概念図。FIG. 1 is a conceptual diagram of an embodiment of a first cylindrical flue gas desulfurization apparatus of the present invention.
【図２】図１のII−II矢視図。FIG. 2 is a view taken along the line II-II in FIG.
【図３】図１の III−III 矢視図。3 is a view taken along the line III-III in FIG.
【図４】本発明の第２の円筒型排煙脱硫装置の一実施例
の概念図。FIG. 4 is a conceptual diagram of an embodiment of a second cylindrical flue gas desulfurization apparatus of the present invention.
【図５】図４のＶ−Ｖ矢視図。5 is a view on arrow VV of FIG. 4. FIG.
【図６】従来の円筒型排煙脱硫装置の一態様の概念図。FIG. 6 is a conceptual diagram of an aspect of a conventional cylindrical flue gas desulfurization apparatus.
【図７】図６の VII−VII 矢視図。7 is a view taken along the line VII-VII in FIG.
【図８】図６のVIII−VIII矢視図。8 is a view on arrow VIII-VIII in FIG.
Claims (2)
に流入させるダクトを有する円筒槽、該円筒槽と同軸上
に下方を開口し、上方を排気口とした排気管を設けてな
る排煙脱硫装置において、前記排気管外周面に放射状に
多数の吸収液スプレーノズルを装着してなることを特徴
とする円筒型排煙脱硫装置。1. A flue gas provided with a cylindrical tank having a duct for inflowing a sulfur oxide-containing exhaust gas in a tangential direction in an upper portion, and an exhaust pipe having a lower opening coaxially with the cylindrical tank and an upper exhaust port. In the desulfurization apparatus, a cylindrical flue gas desulfurization apparatus is characterized in that a large number of absorbent spray nozzles are radially mounted on the outer peripheral surface of the exhaust pipe.
に流入させるダクトを有する円筒槽、該円筒槽と同軸上
に下方を開口し、上方を排気口とした排気管を設けてな
る排煙脱硫装置において、前記円筒槽下部に同軸上に設
けたガスの旋回方向とは逆方向に回転可能な円板上に上
向きに多数の吸収液スプレーノズルを装着してなること
を特徴とする円筒型排煙脱硫装置。2. A flue gas provided with a cylindrical tank having a duct for allowing a sulfur oxide-containing exhaust gas to flow in in a tangential direction at an upper portion, and an exhaust pipe having a lower opening coaxially with the cylindrical tank and having an upper exhaust port as an exhaust port. In the desulfurization apparatus, a cylindrical type characterized in that a large number of absorbing liquid spray nozzles are mounted upward on a disk rotatable coaxially in the lower part of the cylindrical tank in the direction opposite to the gas swirling direction. Flue gas desulfurization equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7086631A JPH08281055A (en) | 1995-04-12 | 1995-04-12 | Cylindrical flue gas desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7086631A JPH08281055A (en) | 1995-04-12 | 1995-04-12 | Cylindrical flue gas desulfurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08281055A true JPH08281055A (en) | 1996-10-29 |
Family
ID=13892384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7086631A Withdrawn JPH08281055A (en) | 1995-04-12 | 1995-04-12 | Cylindrical flue gas desulfurizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08281055A (en) |
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